Climate at a Glance

Divisional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2021. For more information, please see Climatological Rankings.


Illinois, Climate Division 3. West

Average Temperature Rankings, May 2020

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
May 2020
1-Month
60.0°F
(15.6°C)
62.3°F
(16.8°C)
-2.3°F
(-1.2°C)
36th Coolest Coolest since: 2008 1924
92nd Warmest Warmest since: 2019 2018
Apr–May 2020
2-Month
54.6°F
(12.6°C)
56.8°F
(13.8°C)
-2.2°F
(-1.2°C)
18th Coolest Coolest since: 1997 1907
110th Warmest Warmest since: 2019 1896
Ties: 1940, 1953, 1973
Mar–May 2020
3-Month
50.9°F
(10.5°C)
50.9°F
(10.5°C)
0.0°F
(0.0°C)
62nd Coolest Coolest since: 2019 1960
66th Warmest Warmest since: 2018 2012
Ties: 1933
Feb–May 2020
4-Month
45.7°F
(7.6°C)
45.2°F
(7.3°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 2019 1978
51st Warmest Warmest since: 2017 2012
Ties: 1953, 1956
Jan–May 2020
5-Month
42.4°F
(5.8°C)
40.9°F
(4.9°C)
1.5°F
(0.9°C)
93rd Coolest Coolest since: 2019 1978
35th Warmest Warmest since: 2017 2012
Ties: 1941, 1974
Dec 2019–May 2020
6-Month
41.2°F
(5.1°C)
38.9°F
(3.8°C)
2.3°F
(1.3°C)
108th Coolest Coolest since: 2019 1978
19th Warmest Warmest since: 2017 2012
Ties: 2007
Nov 2019–May 2020
7-Month
40.4°F
(4.7°C)
39.0°F
(3.9°C)
1.4°F
(0.8°C)
95th Coolest Coolest since: 2019 1978
32nd Warmest Warmest since: 2017 2012
Ties: 1941
Oct 2019–May 2020
8-Month
41.8°F
(5.4°C)
41.0°F
(5.0°C)
0.8°F
(0.4°C)
85th Coolest Coolest since: 2019 1978
42nd Warmest Warmest since: 2017 2012
Ties: 1950, 1981
Sep 2019–May 2020
9-Month
45.1°F
(7.3°C)
43.8°F
(6.6°C)
1.3°F
(0.7°C)
100th Coolest Coolest since: 2019 1978
27th Warmest Warmest since: 2017 2012
Ties: 1928, 1974
Aug 2019–May 2020
10-Month
47.8°F
(8.8°C)
46.7°F
(8.2°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 2019 1978
34th Warmest Warmest since: 2017 2012
Ties: 1957
Jul 2019–May 2020
11-Month
50.6°F
(10.3°C)
49.5°F
(9.7°C)
1.1°F
(0.6°C)
99th Coolest Coolest since: 2019 1904
28th Warmest Warmest since: 2017 2012
Ties: 1919, 1938
Jun 2019–May 2020
12-Month
52.3°F
(11.3°C)
51.3°F
(10.7°C)
1.0°F
(0.6°C)
97th Coolest Coolest since: 2019 1904
30th Warmest Warmest since: 2017 2012
Ties: 1938, 1957, 1974
Dec 2018–May 2020
18-Month
47.7°F
(8.7°C)
47.1°F
(8.4°C)
0.6°F
(0.3°C)
85th Coolest Coolest since: 2019 1979
41st Warmest Warmest since: 2018 2017
Ties: 1909, 1938, 1950, 1981, 1989
Jun 2018–May 2020
24-Month
51.7°F
(10.9°C)
51.2°F
(10.7°C)
0.5°F
(0.2°C)
84th Coolest Coolest since: 2019 1905
42nd Warmest Warmest since: 2018 2017
Ties: 1990, 2002
Jun 2017–May 2020
36-Month
51.7°F
(10.9°C)
51.2°F
(10.7°C)
0.5°F
(0.2°C)
82nd Coolest Coolest since: 2016 1979
43rd Warmest Warmest since: 2019 2018
Ties: 1944, 1976, 1993, 2021
Jun 2016–May 2020
48-Month
52.5°F
(11.4°C)
51.2°F
(10.7°C)
1.3°F
(0.7°C)
114th Coolest Coolest since: 2017 1980
10th Warmest Warmest since: 2019 1935
Ties: 1933, 2000, 2008
Jun 2015–May 2020
60-Month
52.8°F
(11.6°C)
51.2°F
(10.7°C)
1.6°F
(0.9°C)
121st Coolest Coolest since: 2019 1906, 1907, 1979
2nd Warmest Warmest since: 1935 1935

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Divisional Time Series, published September 2021, retrieved on September 21, 2021 from https://www.ncdc.noaa.gov/cag/